Performance of a DMFC using Pt-Ru/C catalysts prepared by reduction with formic acid - Lizcano Valbuena, William Hernando; Souza, A. de; Paganin, Valdecir Antonio; Leite, C. A. P.; Galembeck, Fernando; Gonzalez, Ernesto Rafael (Annual Meeting of the International Society of Electrochemistry, 2002)